Commit Message

When I made my FUNCTION_ARG hookization changes for spu, I didn't look
very closely at the compiler warnings: if I had, I would have noticed
that I changed the type of the CUM parameter without changing its uses.
Fixed in the following way, verified with a cross to spu-elf. Committed
as obvious.
-Nathan
* config/spu/spu.c (spu_function_arg): Dereference CUM parameter.